Home / 808,445.85-1,212,461.93-239,693.96

Finding the Fourth Proportional to 808,445.85, 1,212,461.93 and 239,693.96

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Solution

The fourth proportional to 808,445.85, 1,212,461.93 and 239,693.96 is: 359,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,445.85 : 1,212,461.93 = 239,693.96 : x
  2. Step 2: Convert to fraction form
    808,445.85/1,212,461.93 = 239,693.96/x
  3. Step 3: Cross multiply
    808,445.85x = 1,212,461.93 × 239,693.96
  4. Step 4: Simplify right side
    808,445.85x = 290,619,794,090.16
  5. Step 5: Solve for x
    x = 290,619,794,090.16/808,445.85
  6. Step 6: Final answer
    x = 359,479.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.